Home / 15,505.40-23,306.70-15,213.80

Finding the Fourth Proportional to 15,505.40, 23,306.70 and 15,213.80

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Solution

The fourth proportional to 15,505.40, 23,306.70 and 15,213.80 is: 22,868.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,505.40 : 23,306.70 = 15,213.80 : x
  2. Step 2: Convert to fraction form
    15,505.40/23,306.70 = 15,213.80/x
  3. Step 3: Cross multiply
    15,505.40x = 23,306.70 × 15,213.80
  4. Step 4: Simplify right side
    15,505.40x = 354,583,472.46
  5. Step 5: Solve for x
    x = 354,583,472.46/15,505.40
  6. Step 6: Final answer
    x = 22,868.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.